ORA-24012

Error: ORA-24012: cannot drop QUEUE_TABLE, some queues in string have not been dropped

Causa: A queue exists in the queue table which has not been dropped. All queues need to be dropped first.

Acción: Drop all queues belonging to this queue table using the DROP_QUEUE() command. Be sure to stop the queues appropriately before dropping them. Alternately, use the force option in DROP_QUEUETABLE.